package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {
    /**
     * 根据openid查找用户
     * @param openid
     * @return
     */
    @Select("select * from user where openid = #{openid}")
    User getById(String openid);
    void insert(User user);

    Double sumByMap(Map map);

}
